John (Jean) de Luxemburg Sire of Beauvois [9101] ²⁴

  General Notes:

http://www.hull.ac.uk/php/cssbct/cgi-bin/gedlkup.php/n=royal?royal23349

http://en.wikipedia.org/wiki/Louis_of_Enghien


Margaret (born 1365). In 1380, Margaret married John of Luxembourg, Sire of Beauvois (1370\endash 1397), son of Guy of Luxembourg and Mahaut of Châtillon, by whom she had issue, including Peter of Luxembourg, Count of St. Pol, of Brienne and of Conversano, and John II of Luxembourg, Count of Ligny. Peter married in his own turn, Margaret de Baux, by whom he had nine children. Peter and Margaret were the maternal grandparents of Queen consort Elizabeth Woodville and the ancestors of Mary, Queen of Scots.

John married Margaret d'Enghien Countess of Brienne [14253] [MRIN: 3842], daughter of Louis d'Enghien Count of Brienne [14254] and Jeanne de St. Severino [14255], about 1380. (Margaret d'Enghien Countess of Brienne [14253] was born in 1365 and died after 19 Sep 1393.)